Limitless With Chris Hemsworth S01e03 Fasting.mp4 Link

In the third episode of National Geographic’s , titled "Fasting," Chris explores how abstaining from food can trigger the body’s internal anti-aging mechanisms. Guided by longevity expert Dr. Peter Attia , Hemsworth pushes his physical and mental limits to understand the long-term benefits of caloric restriction. The Challenge: A 4-Day Fast

The episode captures the intense psychological and physical toll of hunger, with Chris reporting significant irritability and poor sleep during the process. Limitless with Chris Hemsworth S01E03 Fasting.mp4

To activate autophagy , a cellular "recycling" process where the body clears out damaged cells to regenerate newer, healthier ones. In the third episode of National Geographic’s ,

Avoid eating before midday at least three times a week (a form of time-restricted feeding). The Challenge: A 4-Day Fast The episode captures

After four days without food, Chris must test his focus and physical endurance by spearfishing off the Great Barrier Reef to catch his first meal. Key Longevity Takeaways

A longer multi-day fast, similar to the one Chris performed, once a year. Where to Watch